<template>
  <div class="hello" v-on:click="click">
    <h1>{{msg}}</h1>
    <h2>Essential Links</h2>
    <div v-html="text"></div>
    <button v-on:click="btnClick">Button1</button>
    <button v-bind:disabled="isButtonDisabled">Button2</button>
    <ul>
      <li>
        <a href="https://vuejs.org" target="_blank">Core Docs</a>
      </li>
      <li>
        <a href="https://forum.vuejs.org" target="_blank">Forum</a>
      </li>
      <li>
        <a href="https://gitter.im/vuejs/vue" target="_blank">Gitter Chat</a>
      </li>
      <li>
        <a href="https://twitter.com/vuejs" target="_blank">Twitter</a>
      </li>
      <br>
      <li>
        <a href="http://vuejs-templates.github.io/webpack/" target="_blank">Docs for This Template</a>
      </li>
    </ul>
    <h2>Ecosystem</h2>
    <div v-if="isButtonDisabled">
      <ul>
        <li>
          <a href="http://router.vuejs.org/" target="_blank">vue-router</a>
        </li>
        <li>
          <a href="http://vuex.vuejs.org/" target="_blank">vuex</a>
        </li>
        <li>
          <a href="http://vue-loader.vuejs.org/" target="_blank">vue-loader</a>
        </li>
        <li>
          <a href="https://github.com/vuejs/awesome-vue" target="_blank">awesome-vue</a>
        </li>
      </ul>
    </div>
    <div><input type="checkbox" v-model="toggle" v-bind:true-value="a" v-bind:false-value="b">
    </div>
  </div>
</template>

<script>
export default {
  name: 'hello',
  data() {
    return {
      msg: 'Welcome to Your Vue.js App',
      text: '<h1>111111111111111111</h1>',
      isButtonDisabled: true
    }
  },
  methods: {
    change() {
      this.msg = 'div背景色变红了'
      // $('.box').css('background-color', 'pink');
    },
    move() {
      this.show = !this.show
    },
    click() {
      // debugger;
      document.querySelector('body').style.backgroundColor = '#000';
    },
    btnClick() {
      this.isButtonDisabled = !this.isButtonDisabled;
    }
  }
}
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
h1,
h2 {
  font-weight: normal;
}

ul {
  list-style-type: none;
  padding: 0;
}

li {
  display: inline-block;
  margin: 0 10px;
}

a {
  color: #42b983;
}
</style>
